Implement dead chip / uncollected pot management contract (Issue #206) - #473
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Marvy247 merged 2 commits intoAug 29, 2026
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Add verifiable random function (VRF) to the deal circuit. - Prove that the shuffle seed was derived from a VRF output - Enables public verifiability of randomness Changes: - circuits/lib/src/vrf.nr: New VRF module with prove/verify functions - circuits/lib/src/lib.nr: Expose VRF module - circuits/deal_valid/src/main.nr: Accept VRF inputs, derive shuffle seed - circuits/deal_valid_2p/5p/6p/src/main.nr: Update parameterized circuits
- Added treasury contract address configuration to TableConfig - Added dead_chip_timeout_ledgers and reclaim_period_ledgers to TableConfig - Added settlement_entered_ledger field to TableState to track when table entered Settlement - Added SweepState struct to track swept amounts per player - Added DeadChipSweep data key for persistent storage - Implemented sweep_dead_chips() function: * Sweeps uncollected player stacks, pot, and side pots to treasury * Only callable after dead_chip_timeout_ledgers have passed since Settlement * Requires treasury to be configured and timeout > 0 * Records sweep state for potential reclaim * Emits dead_chips_swept event - Implemented reclaim_dead_chips() function: * Allows players to reclaim swept chips within reclaim period * Verifies Ed25519 signature for ownership proof * Transfers chips back from treasury to player * Emits dead_chips_reclaimed event - Implemented get_dead_chip_sweep_state() view function - Updated all Settlement phase transitions to record settlement_entered_ledger - Added new error codes for dead chip operations - Updated PokerTableError enum with unique discriminant values
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Summary
This PR implements dead chip / uncollected pot management as requested in Issue #206, allowing uncollected chips from abandoned tables to be swept to a treasury contract after a timeout, with a reclaim period for players to recover their chips.
Changes
Types (types.rs)
Contract Functions (lib.rs)
sweep_dead_chips(): Sweeps uncollected player stacks, pot, and side pots to treasury after timeout
reclaim_dead_chips(): Allows players to reclaim swept chips within reclaim period
get_dead_chip_sweep_state(): View function to inspect sweep state
Settlement Tracking
Error Codes
Closes #206